#Catalog form {
    width: 60%;
    margin: 2ex auto; /* 居中 */
    padding: 2ex;
    border: 1px solid #ccc;
    border-radius: 10px;
    background-color: #fff; /* 表单背景 */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#Catalog h3 {
    text-align: center;
    font-family: helvetica, tahoma, arial, verdana, sans-serif;
    color: #005e21;
}

#Catalog table {
    width: 100%;
    border-spacing: 1ex;
    margin-top: 1ex;
}

#Catalog td {
    padding: 1ex;
    text-align: left;
    vertical-align: middle;
    color: #333;
}

#Catalog input[type="text"], #Catalog input[type="password"], #Catalog input[type="submit"] {
    width: 95%;
    padding: 1ex;
    margin: 0.5ex 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1.5ex;
    font-family: helvetica, tahoma, arial, verdana, sans-serif;
}

#Catalog input[type="text"]:focus, #Catalog input[type="password"]:focus {
    border-color: #54c07a;
    box-shadow: 0 0 5px rgba(84, 192, 122, 0.5);
    outline: none;
}

#Catalog input[type="submit"] {
    width: auto;
    background-color: #005e21; /* 按钮背景 */
    color: #fff; /* 按钮文字 */
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

#Catalog input[type="submit"]:hover {
    background-color: #54c07a;
    color: #000; /* 悬停效果 */
}

#Catalog a {
    color: #54c07a;
    text-decoration: none;
    font-size: 1.5ex;
    margin-left: 1ex;
}

#Catalog a:hover {
    text-decoration: underline;
}

#Catalog #isExistAccount {
    font-size: 1.2ex;
    font-weight: bold;
    margin-top: 0.5ex;
}

#Catalog #isExistAccount font {
    font-size: 1ex;
}

#Catalog img {
    margin: 0 1ex;
}

#Catalog .error {
    color: #eaac00; /* 错误提示文字 */
    font-size: 1ex;
    margin-top: 0.5ex;
}

#Catalog .success {
    color: #54c07a; /* 成功提示文字 */
    font-size: 1ex;
    margin-top: 0.5ex;
}


#inputmsg,#repeatedText{
    color: red;
}
